glow switch

noun

Definition of glow switch 

: an inert-gas discharge tube in which one electrode is a bimetallic strip that bends as the tube warms up and contacts the other electrode thus short-circuiting the tube and which is used as a starting switch in fluorescent lamps

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about glow switch

Share glow switch

Dictionary Entries near glow switch

glow lamp

glow plug

glowr

glow switch

glow tube

glowworm

gloxinia

Statistics for glow switch

Look-up Popularity

Comments on glow switch

What made you want to look up glow switch? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

evasion of direct action or statement

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!